diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e1c21c3..ab0384c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -120,7 +120,7 @@ jobs:
         run: uv run bandit -r DeepResearch/ -f json -o bandit-report.json || true
 
       - name: Upload security scan results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: security-scan-results
           path: bandit-report.json
@@ -149,7 +149,7 @@ jobs:
         run: uv build
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: dist
           path: dist/